This method applies to all brands of cameras and works equally well on a t2i as it does on D7000.

Tools used:
Vegas 11
Neat Video Noise Reduction http://www.neatvideo.com/
Sapphire Effects OFX: http://www.genarts.com/software/sapphire/after-effects
Magic Bullet Suite: http://www.redgiantsoftware.com/products/all/magic-bullet-suite/